细节很重要。它们创造深度，而深度创造真实性。

We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.

The essence of liberty is the ability to pursue one’s own goals without arbitrary interference from others.

每一个挑战都是学习和改进的机会。

想治理国家，首先要先去治民。治民要先正己，做好治家的工作，把自家子弟教育好了，自己就会以身作则；只有做到先正自己，才能在治民方面起到带头作用。只有先做好自己，才能为别人带好头和榜样；只有先身体力行才能有好作用榜样示范作用。这才是真正有意义的治理国家的好方法。只有先立好自己的身才能对社会起到好的表率作用。

"The words we use are like the clothes we wear. They can make us look smart or silly, kind or cruel, strong or weak."

成功投资的关键在于拥有长期视角并坚持你的投资计划。